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During dispersion of white light by pris...

During dispersion of white light by prism placed in air,

A

both angular deviation and angular spread take place

B

either angular spread or angular deviation for the mean colour takes place depending on the angle of the prism

C

only angular spread takes place

D

only angular deviation tkes place.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
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  2. When a glass prism is placed inside water,its dispersive power

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  3. During dispersion of white light by prism placed in air,

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  4. The figure shows the view through the eye-piece of a prism spectromete...

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  5. One cannot see through fog, because:

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  7. What is the cause of formation of a rainbow?

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  8. Which fo the following statement is correct? (i)Line spectra is chrara...

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  9. Fraunhofer spectrum is a

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  10. In which one of the following regions of teh electromagnetic spectrm w...

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  11. In case of lens,which of the following quantities depend on the wavele...

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  12. A converging achromat lens is to be made by placeing two lenese in con...

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  13. A combination is made of two lenses of focal lengths f and f' and disp...

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  14. When we see an object,the image formed on the retina is

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  15. The focal length of the normal eye-lens is approximaterly

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  16. The distances of the human eye-lens from the retina is x.For a normal ...

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  17. Why is a normal eye not able to see clearly the objects placed closer ...

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  18. When we view objects lying at differnt distances from the eye,which fo...

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  19. Draw a ray diagram to show the image formation by a simple microscope....

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  20. If the least distance of distinct vision is 25 cm,then a convex lens o...

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